Minnesota Department of Transportation

511 Travel Info

Materials and Road Research

Orange barrels on a highway

Materials and Road Research

Independent Assurance Sampling & Testing Schedule

Our Schedule of Independent Assurance Sampling and Testing (IAST) Protocol is used by Independent Assurance Personnel on all Federal Aid Construction Projects. The Independent Assurance Program provides a check on testing equipment and procedures for construction projects.

Current IAST Schedule

Arrangements must be made with the District Materials Engineer for scheduling independent assurance visits to comply with project requirements.

Independent Assurance Manual

Independent Assurance Inspector Group

Contact the MnDOT District Independent Assurance Inspector (PDF) when project starts to provide the proper servicing of your project.

Archived IAST schedules